360920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 928800

約数和(自身を除く): 567880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1289, 2578, 5156, 6445, 9023, 10312, 12890, 18046, 25780, 36092, 45115, 51560, 72184, 90230, 180460, 360920]

約数ペア:

[(1, 360920), (2, 180460), (4, 90230), (5, 72184), (7, 51560), (8, 45115), (10, 36092), (14, 25780), (20, 18046), (28, 12890), (35, 10312), (40, 9023), (56, 6445), (70, 5156), (140, 2578), (280, 1289)]